<var>

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

O elemento HTML Variable (<var>) representa uma variável em uma expressão matemática ou um contexto de programação.

Permitted content	Phrasing content
Tag omission	Both start and end tags are required
Permitted parent elements	Any element that accepts phrasing content.
Normative document	HTML, "The `var` element"

Este elemento somente inclui os global attributes.

Este elemento implementa a interface HTMLElement.

Note: Implementation note: up to Gecko 1.9.2 inclusive, Firefox implements the HTMLSpanElement interface for this element.

css

var {
  font-style: italic;
}

html

<p>A simple equation: <var>x</var> = <var>y</var>   2</p>

A simple equation: x = y 2